 /*******************************************************************************
  * Copyright (c) 2004, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.presentations.util;

 import org.eclipse.jface.action.GroupMarker;
 import org.eclipse.jface.action.MenuManager;
 import org.eclipse.jface.action.Separator;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Menu;
 import org.eclipse.ui.internal.WorkbenchMessages;
 import org.eclipse.ui.internal.presentations.SystemMenuClose;
 import org.eclipse.ui.internal.presentations.SystemMenuMaximize;
 import org.eclipse.ui.internal.presentations.SystemMenuMinimize;
 import org.eclipse.ui.internal.presentations.SystemMenuMove;
 import org.eclipse.ui.internal.presentations.SystemMenuRestore;
 import org.eclipse.ui.internal.presentations.UpdatingActionContributionItem;
 import org.eclipse.ui.presentations.IPresentablePart;
 import org.eclipse.ui.presentations.IStackPresentationSite;

 /**
  * Implements the system context menu that is used by the default presentation. Not
  * intended to be subclassed by clients.
  *
  * @since 3.1
  */
 public class StandardViewSystemMenu implements ISystemMenu {

     /* package */ MenuManager menuManager = new MenuManager();
     private SystemMenuRestore restore;
     private SystemMenuMove move;
     private SystemMenuMinimize minimize;
     private SystemMenuMaximize maximize;
     private SystemMenuClose close;
     
     /**
      * Create the standard view menu
      *
      * @param site the site to associate the view with
      */
     public StandardViewSystemMenu(IStackPresentationSite site) {
         restore = new SystemMenuRestore(site);
         move = new SystemMenuMove(site, getMoveMenuText(), false);
         minimize = new SystemMenuMinimize(site);
         maximize = new SystemMenuMaximize(site);
         close = new SystemMenuClose(site);
         
         { // Initialize system menu
 menuManager.add(new GroupMarker("misc")); //$NON-NLS-1$
 menuManager.add(new GroupMarker("restore")); //$NON-NLS-1$
 menuManager.add(new UpdatingActionContributionItem(restore));

             menuManager.add(move);
             menuManager.add(new GroupMarker("size")); //$NON-NLS-1$
 menuManager.add(new GroupMarker("state")); //$NON-NLS-1$
 menuManager.add(new UpdatingActionContributionItem(minimize));

             menuManager.add(new UpdatingActionContributionItem(maximize));
             menuManager.add(new Separator("close")); //$NON-NLS-1$
 menuManager.add(close);

             site.addSystemActions(menuManager);
         } // End of system menu initialization

     }

     String getMoveMenuText() {
         return WorkbenchMessages.ViewPane_moveView;
     }
     
     /* (non-Javadoc)
      * @see org.eclipse.ui.internal.presentations.util.ISystemMenu#show(org.eclipse.swt.graphics.Point, org.eclipse.ui.presentations.IPresentablePart)
      */
     public void show(Control parent, Point displayCoordinates, IPresentablePart currentSelection) {
         restore.update();
         move.setTarget(currentSelection);
         move.update();
         minimize.update();
         maximize.update();
         close.setTarget(currentSelection);
         
         Menu aMenu = menuManager.createContextMenu(parent);
         menuManager.update(true);
         aMenu.setLocation(displayCoordinates.x, displayCoordinates.y);
         aMenu.setVisible(true);
     }
     
     /**
      * Dispose resources associated with this menu
      */
     public void dispose() {
         menuManager.dispose();
         menuManager.removeAll();
     }

 }

